Publications

1.1. Journal Papers

*Aquaculture technology*
Jensen Ø, Wroldsen AS, Lader PL, Fredheim A, Heide M	2007	Finite element analysis of tensegrity structures in offshore aquaculture installations.	Aquacultural Engineering 36: 272-284
Lader P, Olsen A, Jensen A, Sveen JK, Fredheim A, Enerhaug B	2007	Experimental investigation of the interaction between waves and net structures - Damping mechanism.	Aquacultural Engineering 37(2): 100-114 1
Lader PF, Jensen A, Sveen JK, Fredheim A, Enerhaug B, Fredriksson D	2007	Experimental investigation of wave forces on net structures.	Applied Ocean Research 29(3): 112-127 1
Moe H, Olsen A, Hopperstad OS, Jensen Ø, Fredheim A	2007	Tensile properties for netting materials used in aquaculture net cages.	Aquacultural Engineering 37(2): 252–265 1
Lader PL, Dempster T, Fredheim A, Jensen Ø	2008	Current induced net deformations in full-scale sea-cages for Atlantic salmon (Salmo salar).	Aquacultural Engineering 38: 52-65
Moe H, Hopperstad OS, Olsen A, Jensen Ø, Fredheim A	2009	Temporary-creep and post-creep properties of aquaculture netting materials.	Ocean Engineering 36: 992-1002
Moe H, Fredheim A, Hopperstad OS	2010	Structural analysis of aquaculture net cages in current.	Journal of Fluids and Structures (in press)
Gansel L.C., McClimans T.A. and Myrhaug D.	2012	Flow Around the Free Bottom of Fish Cages in a Uniform Flow With and Without Fouling	J. Offshore Mech. Arct. Eng., Vol. 134, Iss. 1. doi: 10.1115/1.4003695.
Gansel L.C., McClimans T.A. and Myrhaug D.	2012	The Effects of Fish Cages on Ambient Currents	J. Offshore Mech. Arct. Eng., Vol. 134, Iss. 1. doi: 10.1115/1.4003696
Gansel L.C., McClimans T.A. and Myrhaug D.	2012	Average Flow Inside and Around Fish Cages With and Without Fouling in a Uniform Flow	J. Offshore Mech. Arct. Eng. 134, 041201
Gansel, L., Rackebrandt, S., Oppedal, F., McClimans, T.A.,	2012	Flow fields inside stocked fish cages and the near environment.	Journal of Offshore Mechanics and Arctic Engineering 134, 041201 (2012)
Kristiansen T, Faltinsen OM	2012	Modelling of current loads on aquaculture net cages	Journal of Fluids and Structures Volume 34, October 2012, Pages 218–235
Stien L. H, Nilsson J, Oppdal F, Kristiansen T S, Lien AM, Folkedal O	2012	Skirt around a salmon sea cage to reduce infetation of salmon lice resulted in low oxygen levels	Aquaculture Engineering 51, 21-25
Klebert P, Gansel L, Lader P , Oppedal F,	2013	Flow hydrodynamics through nets and floating cages: a review.	Ocean Engineering 58, 260-274.
Shainee, M., Ellingsen, H., Leira, B.J., Fredheim, A.	2013	Design theory in offshore fish cage design	Aquaculture 392–395 (2013) 134–141
Shainee, M., DeCew, J., Leira, B. J., Ellingsen, H. Fredheim, A.	2013	Numerical Simulation of a Self-Submersible SPM Cage System in Regular Waves with Following Currents	Aquaculture Engineering. Volume 54, May 2013, Pages 29–37
Shainee, M., Leira, B.J., Ellingsen, H., Fredheim, A.	2014	Investigation of a self-submersible SPM cage system in random waves	Aquacultural Engineering, pp. 35-44 DOI information: 10.1016/j.aquaeng.2013.10.003

*Biofouling*
Guenther J, Carl C, Sunde LM	2009	The effects of colour and copper on the settlement of the hydroid Ectopleura larynx on aquaculture nets in Norway.	Aquaculture 292: 252-255
Guenther J, Wright AD, Burns K, de Nys R	2009	Chemical antifouling defences of tropical sea stars: Effects of the natural products hexadecanoic acid, cholesterol, lathosterol and sitosterol.	Marine Ecology Progress Series 385: 137-149
Guenther J, Misimi E, Sunde LM	2010	The development of biofouling, particularly the hydroid Ectopleura larynx, on commercial salmon cage nets in Mid-Noway	Aquaculture 300: 120-127
Guenther J, Misimi E, Sunde LM	2010	Spatial and temporal effects of the underwater washing of salmon cage nets on the net aperture occlusion due to biofouling.	Aquaculture 300:120-127
Guenther J, Fitridge I, Misimi E	2011	Potential antifouling strategies for marine finfish aquaculture: the effects of physical and chemical treatments on the settlement and survival of the hydroid Ectopleura larynx	Biofouling: The Journal of Bioadhesion and Biofilm Research 27:9, 1033-1042, doi:10.1080/08927014.2011.627092
Carl C, Guenther J, Sunde LM	2011	Larval release and attachment modes of the hydroid Ectopleura larynx on aquaculture nets in Norway	Aquacult Res 42:1056-1060
Fitridge I, Dempster T, Guenther J, de Nys R	2012	The impact and control of biofouling in marine aquaculture: a review	Biofouling: The Journal of Bioadhesion and Biofilm Research
Bloecher, N., de Nys, R., Poole, A. J., Guenther, J.	2013	The fouling hydroid Ectopleura larynx: a lack of effect of next generation antifouling technologies	Biofouling: The Journal of Bioadhesion and Biofilm Research 29:3, 237-246
Bloecher N, Olsen Y, Guenther J	2013	Variability of biofouling communitites on fish cage nets: A 1-year field study at a norwegian salmon farm	Aquaculture 416-417 : 302-309

*Fish behaviour*
Dempster T, Juell JE, Fosseidengen JE, Fredheim A, Lader P	2008	Behaviour and growth of Atlantic salmon (Salmo salar) subjected to short-term submergence in commercial scale sea-cages.	Aquaculture 276: 103-111
Dempster T, Korsoen Ø, Oppedal F, Folkedal O, Juell JE	2009	Submergence of Atlantic salmon (Salmo salar) in commercial scale sea-cages: a potential short-term solution to poor surface conditions.	Aquaculture 288: 254-263
Føre M, Dempster T, Alfredsen J-A, Johansen V, Johansen D	2009	Modelling of Atlantic salmon (Salmo salar) behaviour in aquaculture sea-cages: a Lagrangian approach.	Aquaculture 288: 196-204
Johansson D, Ruohonen K, Kiessling A, Oppedal F, Stiansen J-E, Kelly M, Juell J-E	2006	Effect of environmental factors on swimming depth preferences of Atlantic salmon (Salmo salar L.) and temporal and spatial variations in oxygen levels in sea cages at a fjord site.	Aquaculture 254: 594-605
Johansson D, Ruohonen K, Juell J-E, Oppedal F	2009	Swimming depth and thermal history of individual Atlantic salmon (Salmo salar L.) in production cages under different ambient temperature conditions.	Aquaculture 290: 296-303
Korsøen Ø, Dempster T, Fjelldal PG, Oppedal F, Kristiansen TS	2009	Long-term culture of Atlantic salmon (Salmo salar L.) in submerged cages during winter affects behaviour, growth and condition.	Aquaculture 296: 373-381
Korsøen Ø, Dempster T, Fosseidengen JE, Fernö A, Kristiansen T	2010	Behavioural responses to pressure changes in cultured Atlantic cod (Gadus morhua): defining practical limits for submerging and lifting sea-cages	Aquaculture 308: 106–115
Oppedal F, Dempster T, Stian L	2011	Environmental drivers of Atlantic salmon behaviour in sea-cages: a review	Aquaculture, Volume 311, Issues 1-4, 3 February 2011, Pages 1-18
Oppedal F, Vågseth T, Dempster T, Juell J-E, Johansson	2011	Fluctuating sea-cage environments modify the effects of stocking densities on the production and welfare of Atlantic salmon (Salmo salar L.).	Aquaculture Volume 315: 361–36, doi:10.1016/j.aquaculture.2011.02.037
Dempster T, Kristiansen T, Korsøen Ø, Fosseidengen J-E, Oppedal, F	2011	Technical note: Modifying Atlantic salmon (Salmo salar) jumping behavior to facilitate innovation of parasitic sea lice control techniques	Journal of Animal Science 89:4281-4285
Remen, M., Oppedal, F., Torgersen, T., Imsland, A., Olsen, R.E.	2012	Effects of cyclic environmental hypoxia on physiology and feed intake of post-smolt Atlantic salmon: Initial response and acclimation.	Aquaculture 326-329, 148-155.
Korsøen Ø, Dempster T, Oppedal F, Kristiansen T	2012	Individual variation in swimming depth and growth in Atlantic salmon (Salmo salar L.) subjected to submergence in sea-cages	Aquaculture 334-337. 142-151
Korsøen Ø, Fosseidengen J E,Kristiansen T S, Oppedal F,Bui S, Dempster, T.	2012	Atlantic salmon (Salmo salar L.) in a submerged sea-cage adapt rapidly to re-fill their swim bladders in an underwater air filled dome	Aquaculture Engineering, 5, 1-6
Skulstad, O.F., Karlsen, Ø., Fosseidengen, J.E., Kristiansen, T., Taranger, G.L. and Oppedal, F.	2012	Vertical distribution and sexual maturation in cage-farming of Atlantic cod (Gadus morhua L.) exposed to natural or continuous light.	Aquaculture Research, 1-15.
Føre, M., Dempster, T., Alfredsen, J.A., Oppedal, F.	2013	Modelling of Atlantic salmon (Salmo salar L.) behaviour in sea-cages: Using artificial light to control swimming depth.	Aquaculture 388-391, 137-146
Bui, S., Oppedal, F., Korsøen, Ø.J., Sonny, D., Dempster, T.,	2013	Modifying Atlantic salmon (Salmo salar L.) behaviour to facilitate parasite control techniques: applying light or feed during submergence increases surface behaviours.	Aquaculture Environment Interactions 3, 125-133
Korsøen, Ø., Fosseidengen, J.E., Kristiansen, T.S., Oppedal, F., Bui, S., Dempster, T.,	2012	Atlantic salmon (Salmo salar L.) in a submerged sea-cage adapt rapidly to re-fill their swim bladders in an underwater air filled dome.	Aquacultural Engineering 51, 1-6.
Papandroulakis N., Lika K., Kristiansen T., Oppedal F., Divanach P., Pavlidis M.,	2013	Behaviour of European sea bass, Dicentrarchus labrax L., in cages - impact of early life rearing conditions and management.	Aquaculture Research
Remen, M., Aas, T.S., Vågseth., T., Torgersen, T., Olsen, R.E., Imsland, A., Oppedal, F.	2013	Feed intake, feed utilization, metabolism and growth of Atlantic salmon (Salmo salar L.) post-smolts during long-term cyclic hypoxia and subsequent compensatory growth.	Aquaculture Research
Bui, S., Oppedal, F., Korsøen, Ø.J.,, Dempster, T.	2013	Group behavioural responses of Atlantic salmon (Salmo salar L.) to light and infrasound stimuli.	PLoS One
Remen M, Oppedal F, Imsland A, Olsen RE, Torgersen T	2013	Hypoxia tolerance thresholds for post-smolt Atlantic salmon: Dependency of temperature and hypoxia acclimation	Aquaculture 416: 41-47
Frenzl B, Stien LH, Cockerill D, Oppedal F, Richards RH, Shinn AP, Bron JE, Migaud H	2014	Manipulation of farmed Atlantic salmon swimming behaviour through the adjustment of lighting and feeding regimes as a tool for salmon lice control.	Aquaculture 424-425, 183-188

*Aquaculture-Environment Interactions*
Moe H, Dempster T, Sunde L M, Winther W, Fredheim A	2007	Technological solutions and operational measures to prevent escapes of Atlantic Cod (Gadus morhua) from sea-cages	Aquaculture Research 38: 91-99
Sanchez-Jerez P, Fernandez-Jover D, Bayle-Sempere J, Valle C, Dempster T, Tuya F, Juanes F	2008	Interactions between bluefish Pomatomus saltatrix (L.) and coastal sea-cage farms in the Mediterranean Sea.	Aquaculture 282: 61-67
Uglem I, Dempster T, Bjørn P-A, Sanchez-Jerez P, Økland F	2009	High connectivity of salmon farms revealed by aggregation, residence and repeated movements of wild fish among farms.	Marine Ecology Progress Series 384: 251-260
Dempster T, Uglem I, Sanchez-Jerez P, Fernandez-Jover D, Bayle-Sempere J, Nilsen R, Bjørn PA	2009	Coastal salmon farms attract large and persistent aggregations of wild fish: an ecosystem effect.	Marine Ecology Progress Series 385: 1-14
Bustnes JO, Lie E, Herske D, Dempster T, Bjørn PA, Nygård T, Uglem I	2010	Salmon farms as a source of organohalogenated contaminants in wild fish	Environmental Science and Technology 44: 8736–8743
Dempster T, Sanchez-Jerez P, Uglem I, Bjørn P-A	2010	Species-specific patterns of aggregation of wild fish around fish farms	Estuarine, Coastal and Shelf Science 86(2): 271-275
Jensen Ø, Dempster T, Thorstad EB, Uglem I and A Fredheim	2010	Escapes of fish from Norwegian sea-cage aquaculture: causes, consequences, prevention	Aquaculture Environment Interactions 1: 71-83
McClimans, T.A., A. Handå, A. Fredheim, E. Lien, K.I. Reitan	2010	Controlled artificial upwelling in a fjord to stimulate non-toxic algae	Aquaculture Engineering 42 (2010) 140-147
Dempster T, Sanchez-Jerez P, Fernandez-Jover D, Bayle-Sempere, Nilsen R, Bjørn PA, Uglem I	2011	Proxy measures of fitness suggest coastal fish farms can act as population sources and not ecological traps for wild fish	PLoS One
Korsøen, Ø.J., Fosseidengen, J.E., Oppedal, F., Stien, L.H., Karlsen, Ø., Kristiansen, T.S., Dempster, T.	2013	Towards cod without spawning: artificial continuous light in submerged sea-cages maintains growth and delays sexual maturation for farmed Atlantic cod (Gadus morhua).	Aquaculture Environment Interactions

*Feed quality and nutrition*
Aas TS, Oehme M, Sørensen M, He G, Åsgård T	2011	Analysis of pellet degradation of extruded high energy fish feeds with different physical quality in a pneumatic feeding system	Aquacultural Engineering, Volume 44, Issue 1, January 2011, Pages 25-34
Aas TS, Terjesen BF, Sigholt T, Hillestad M, Holm J, Refstie S, Baeverfjord G, Rørvik K-A, Sørensen M, Oehme M, Åsgård T	2011	Nutritional value of feeds with different physical qualities fed to rainbow trout (Oncorhynchus mykiss) at stable or variable environmental conditions.	Aquaculture Nutrition
Aas,T.S., Terjesen,B.F., Sigholt,T., Hillestad,M., Holm,J., Refstie,S., Baeverfjord,G., Rørvik,K.-A., Sørensen,M., Oehme,M., & Åsgård,T.	2011	Nutritional responses in rainbow trout (Oncorhynchus mykiss) fed diets with different physical qualities at stable or variable environmental conditions.	Aquacult.Nutr. 17, 657-670.
Oehme M, Aas TS, Sørensen M, Lygrene I, Åsgård T	2012	Feed pellet distribution in a sea cage using pneumatic feeding system with rotor spreader	Aquaculture Engineering
Oehme, M., Aas., T.S., Olsen, H.J., Sørensen, M., Hillestad, M., Li, Y., Åsgård, T.	2013	Effects of dietary moisture content of extruded diets on physical feed quality and nutritional response in Atlantic salmon (Salmo salar)	Aquacult. Nutr. doi: 10.1111/anu. 12099

*Aquaculture Computing*
Tidemann A, Bjørnson FO, Aamodt A	2012	Operational Support in Fish Farming through Case-based Reasoning	IEA-AIE 2012

1.2. Published Conference Papers

Dempster T, Moe H, Fredheim A, Sanchez-Jerez P	2007	Escape of Marine fish from sea-cage aquaculture in the Mediterranean Sea: status and prevention.	CIESM workshop Monograph no. 32.
Harendza, A., Visscher, J.,Gansel, L., Pettersen, B.,	2008	PIV on inclined cylinder shaped fish cages in a current and the resulting flow field.	Proceedings of 27th International Conference on Offshore Mechanics and Arctic Engineering, OMAE2008. 15-20 June 2008, Estoril, Portugal.
Gansel LC, McClimans TA, Myrhaug D	2008	The effects of fish cages on ambient currents.	Proceedings of the 27th International Conference on Ocean, Offshore and Arctic Engineering OMAE 2008, Estoril, Portugal, June 15-20 2008
Gansel, L.C., McClimans, T.A., Myrhaug, D.	2008	Drag forces on and flow around and through porus cylinders	In: Coastal Technology - Coast 2008. Trondheim: NTNU 2008 ISBN 978-82-92506-62-2. s.130-138
Gansel LC, McClimans TA, Myrhaug D	2009	Flow around the free bottom of fish cages in a uniform flow with and without fouling.	Proceedings of the 28th International Conference on Ocean, Offshore and Arctic Engineering OMAE 2009, Hawaii, USA, June
Gansel LC, McClimans TA, Myrhaug D	2010	Average flow inside and around fish cages without and with fouling in a uniform flow.	Proceedings of the 29th International Conference on Ocean, Offshore and Arctic Engineering OMAE 2010, Shanghai, China, June
Aas TS, Terjesen BF, Sigholt T, Hillestad M, Holm J, Refstie S, Baeverfjord G, Rørvik K-A, Sørensen M, Oehme M, He G, Åsgård T,	2010	The optimal pellet quality is a trade-off between durability and responses in the fish.	The 14^th International Symposium on Fish Nutrition and Feeding 2010, Qingdao, China, June 1^st-4^th 2010.
Gansel, L., Rackebrandt, S., Oppedal, F., McClimans, T.A.	2011	Flow fields inside stocked fish cages and the near environment	Proceedings of the 30th International conference on ocean, offshore and Arctic engineering, OMAE2011, 19-24 June 2011. Volume 5, 201-209, doi:10.1115/OMAE2011-50205
Tidemann, A., Bjørnson FO, Aamodt, A.	2011	Case-Based Reasoning in a System Architecture for Intelligent Fish Farming	11th Scandinavian Conference on Artificial Intelligence, NTNU, Trondheim, Norway, 24-26 June 2011
Shainee, M., Ellingsen, H., Leira, B.J., Fredheim, A.	2012	An Optimum Design Concept For Offshore Cage Culture	Proceedings of the ASME 2012 31st International Conference on Ocean Offshore and Arctic Engineering. OMAE2012-83601
Endresen, PC, Føre, M, Fredheim, A, Kristiansen, D, Enerhaug, B	2013	Numerical Modeling of Wake Effect on Aquaculture Nets	32nd International Conference on Offshore Mechanics and Arctic Engineering (OMAE 2013), OMAE2013-11446
Shainee, M., DeCew, J., Leira, B. J., Ellingsen, H. Fredheim, A.	2013	Self-Submersible Spm Cage Simulation In Regular Waves With Oblique Currents.	32nd International Conference on Offshore Mechanics and Arctic Engineering (OMAE 2013), OMAE2013-11446

1.3. Books

Gansel LC, McClimans TA, Myrhaug D	2008	Drag forces on flow around and through porus cylinders	In: Coastal Technology - Coast 2008. Trondheim: NTNU 2008 ISBN 978-82-92506-62-2. s.130-138
de Nys R, Guenther J	2009	The impact and control of biofouling in marine finfish aquaculture.	In: Advances in marine antifouling coatings and technologies. Eds.: Hellio C, Yebra D. Woodhead Publishing ISBN 1845693868
de Nys R, Guenther J, Uriz MJ	2009	Natural fouling control.	In: Biofouling. Eds.: Durr S, Thomason J. Blackwell Publishing. ISBN 9781405169264
Fredheim A, Langan R	2009	Advances in technology for offshore and open ocean aquaculture.	In: New technologies in aquaculture: Improving production efficiency, quality and environmental management. Eds: Burnell G & Allen G, Woodhead Publications 2009, Cambridge, UK
Sanchez-Jerez P, Fernandez-Jover D, Uglem I, Arechavala P, Dempster T, and 3 others	2010	Coastal fish farms act as Fish Aggregation Devices (FADs): potential effects on fisheries.	In: Artificial Reefs in Fisheries Management. Eds.: Steve Bortone et al., Taylor and Francis/CRC Press

1.4. PhD Thesis

Korsøen Ø	2011	Biological criteria for submergence of physostome (Atlantic salmon) and physoclist (Atlantic cod) fish in sea-cages	Universitetet i Bergen, ISBN 98-82-308-1716-2
Føre M	2011	Individual based modelling and observation of Atlantic salmon (Salmo salar L.) behaviour in sea-cages	Doctoral theses at NTNU, 2011:322 ISBN 978-82-471-3224-1
Remen M	2012	The oxygen requirement of Atlantic salmon (Salmo salar L.) in the on-growing phase in sea cages	Doctoral theses, Universitetet i Bergen, ISBN: 978-82-308-2137-4
Maike Oehme	2013	Feed utilization can be improved by optimizing physical pellet quality and feeding equipment in salmonid farming	Doctoral thesis 2013:07 Norwegian university of Life ScienceISBN 978-82-575-1110-4
Shainee Mohamed	2013	Conceptual Design, Numerical and Experimental Investigation of a SPM Cage Concept for Offshore Mariculture	Doctoral thesis, NTNU, 2013:260 ISBN 978-82-471-4647-7
Gansel Lars	2013	Flow past porous cylinders and effects of biofouling and fish behaviour on the flow in and around Atlantic salmon net cages	Doctoral thesis, NTNU, 2013:312 ISBN 978-82-471-4759-7
Blücher Nina	2013	Biofouling in the Norwegian salmon farming industry	Doctoral theses, NTNU, 2013:320 ISBN 978-82-471-4778-8

Published September 20, 2013